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(11) | EP 0 856 959 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Fiberoptic local area network communication |
| (57) Apparatus for communication in a fiberoptic LAN includes a first transmitter of an
electromagnetic wave of a first wavelength, a second detector of an electromagnetic
wave of a second wavelength, and an optical coupler coupled to the first transmitter,
the second detector, and the fiberoptic LAN. |